HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersBrazilian croaker Brazilian croaker (Pachyurus adspersus) Scientific name: Pachyurus adspersus Steindachner, 1879 The Brazilian croaker (Pachyurus adspersus) is a freshwater fish of the family Sciaenidae. Native range: South America, Atlantic versant rivers of Brazil, including Mucuri, Doce, and Para?ba do Sul River basins. Species factsScientific namePachyurus adspersusFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length26.4EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: Atlantic versant rivers of Brazil, including Mucuri, Doce, and Para?ba do Sul River basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; aquaculture: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026